9 + 6u = 7u
u = 9 (Subtract "6u" from both sides)
Answer:
answer : A
Step-by-step explanation:
hello :
Sin 42°= Cos(90°-42°)=cos(48°)......answer : A
so this is math
The answer is either a, b, c, or d.
I just chose all answers because i didn't feel like doing more work.